/*
 * Copyright 2015 Pivotal Software, Inc..
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.joomtu.smarterlife.services.imple;

import com.joomtu.smarterlife.entities.User;
import com.joomtu.smarterlife.repositories.UserRepository;
import com.joomtu.smarterlife.utils.AuthoritiesConstants;
import java.util.ArrayList;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.cas.authentication.CasAssertionAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.AuthenticationUserDetailsService;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

/**
 *
 * @author huguobing
 */
@Service
public class CustomUserDetailsService implements AuthenticationUserDetailsService<CasAssertionAuthenticationToken> {

    @Autowired
    private UserRepository userRepository;

    @Override
    public UserDetails loadUserDetails(CasAssertionAuthenticationToken t) throws UsernameNotFoundException {
        String login = t.getPrincipal().toString();
        List<GrantedAuthority> grantedAuthorities = new ArrayList<>();

        grantedAuthorities.add(new GrantedAuthority() {

            private static final long serialVersionUID = 1L;

            @Override
            public String getAuthority() {
                return AuthoritiesConstants.USER;
            }
        });

        grantedAuthorities.add(new SimpleGrantedAuthority(AuthoritiesConstants.ADMIN));

        return new User(login, "", grantedAuthorities);
    }

}
